In a series RC circuit, impedance may be calculated by what equation?
a. ER/Z
b. R
ÄÄÄÄÄ
cos é
c. Ec
ÄÄ
Z
b. R
ÄÄÄÄÄ
cos é
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Solve the problem.If f(x) = 
and g(x) = 8x - 12, find f(g(x)).
A. 2
B. 8
- 12
C. 2
D. 8
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
+ 6
A. 
B. 
C. 
D. 
Solve the problem.A grain dealer sold to one customer 2 bushels of wheat, 9 of corn, and 6 of rye for $45.20; to another, 9 of wheat, 6 of corn, and 2 of rye for $35.60; and to a third, 6 of wheat, 2 of corn, and 9 of rye for $45.00. What was the price per bushel for corn?
A. $3.40 B. $2.40 C. $2.10 D. $1.60
Solve the problem. There are currently 77 million cars in a certain country, decreasing exponentially by 5.5% annually. How many years will it take for this country to have 67 million cars? Round to the nearest year.
A. 3 yr B. 42 yr C. 10 yr D. 2 yr